package com.zzyl.nursing.service.impl;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.json.JSONUtil;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zzyl.common.constant.CacheConstants;
import com.zzyl.nursing.domain.DeviceData;
import com.zzyl.nursing.domain.Room;
import com.zzyl.nursing.mapper.RoomMapper;
import com.zzyl.nursing.service.IRoomService;
import com.zzyl.nursing.vo.BedVo;
import com.zzyl.nursing.vo.DeviceInfo;
import com.zzyl.nursing.vo.RoomVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Arrays;
import java.util.List;

/**
 * 房间Service业务层处理
 *
 * @author ruoyi
 * @date 2024-04-26
 */
@Service
public class RoomServiceImpl extends ServiceImpl<RoomMapper, Room> implements IRoomService {
    @Autowired
    private RoomMapper roomMapper;
    @Autowired
    private StringRedisTemplate stringRedisTemplate;

    /**
     * 查询房间
     *
     * @param id 房间主键
     * @return 房间
     */
    @Override
    public Room selectRoomById(Long id) {
        return getById(id);
    }

    /**
     * 查询房间列表
     *
     * @param room 房间
     * @return 房间
     */
    @Override
    public List<Room> selectRoomList(Room room) {
        return roomMapper.selectRoomList(room);
    }

    /**
     * 新增房间
     *
     * @param room 房间
     * @return 结果
     */
    @Override
    public int insertRoom(Room room) {
        return save(room) ? 1 : 0;
    }

    /**
     * 修改房间
     *
     * @param room 房间
     * @return 结果
     */
    @Override
    public int updateRoom(Room room) {
        return updateById(room) ? 1 : 0;
    }

    /**
     * 批量删除房间
     *
     * @param ids 需要删除的房间主键
     * @return 结果
     */
    @Override
    public int deleteRoomByIds(Long[] ids) {
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 根据楼层 id 获取房间视图对象列表
     *
     * @param floorId
     * @return
     */
    @Override
    public List<RoomVo> getRoomsByFloorId(Long floorId) {
        return roomMapper.selectByFloorId(floorId);
    }


    /**
     * 获取所有房间（负责老人）
     *
     * @param floorId
     * @return
     */
    @Override
    public List<RoomVo> getRoomsWithNurByFloorId(Long floorId) {
        return roomMapper.selectByFloorIdWithNur(floorId);
    }

    /**
     * 按照房间id查询楼层、房间、价格
     *
     * @param id
     * @return
     */
    @Override
    public RoomVo getRoomById(Long id) {
        return roomMapper.getRoomById(id);
    }

    /**
     * 根据楼层ID查询房间数据（智能设备）
     *
     * @param floorId 楼层id
     * @return 结果
     */
    @Override
    public List<RoomVo> getRoomsWithDeviceByFloorId(Integer floorId) {
        // 查询这个楼层下的所有的房间及房床位上的设备
        List<RoomVo> voList = roomMapper.getRoomsWithDeviceByFloorId(floorId);

        // 补全设备的数据, 设备的数据在redis中,大key是一个常量,小key=iotId,value=数据的json字符串
        for (RoomVo roomVo : voList) {
            //房间下的设备
            List<DeviceInfo> deviceVos = roomVo.getDeviceVos();
            setDeviceData(deviceVos);
            //房间里有床位
            List<BedVo> bedVoList = roomVo.getBedVoList();
            for (BedVo bedVo : bedVoList) {
                // 床位上的设备
                List<DeviceInfo> bedDeviceVos = bedVo.getDeviceVos();
                setDeviceData(bedDeviceVos);
            }
        }

        return voList;
    }

    private void setDeviceData(List<DeviceInfo> deviceVos){
        if(CollUtil.isNotEmpty(deviceVos)) {
            for (DeviceInfo deviceVo : deviceVos) {
                //遍历每个设备，去获取redis的最新数据
                String iotId = deviceVo.getIotId();
                String jsonString = (String) stringRedisTemplate.opsForHash().get(CacheConstants.IOT_DEVICE_LAST_DATA, iotId);
                //解析json字符串，存时：JSONUtil.toJsonStr(deviceDataList)
                List<DeviceData> dataList = JSONUtil.toList(jsonString, DeviceData.class);
                deviceVo.setDeviceDataVos(dataList);
            }
        }
    }
}
